Perhaps you should try some spelling variations:
quang khang » quang khanh, quang thanh, quang khai
quang thang » quang thanh, quang thong, quan thanh
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (theo tieu)) xanh - thanh tra ((quang thang) or (quang khang)) cong van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo tieu)) xanh - thanh tra ((quang thang) OR (quang khang)) cong van thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo tieu)) xanh - thanh tra ((quang thang) or (quang khang)) cong van thanh cau*.